使用 OpenGL 多视图渲染立体图像。
在多视图单遍立体渲染中，渲染管道只遍历一次场景图，并为每个渲染节点发出一个单独的实例化绘制调用，从而减少渲染场景所需的带宽。场景剔除和阴影贴图渲染在两只眼中共享。主渲染目标必须是渲染目标的数组。
此模式需要特殊的 GPU 硬件支持才能运行。某些 GPU 根据其图形功能，可以运行此立体渲染模式，而其他 GPU 则可以运行SinglePassStereoMode.Instancing。此外，这两种模式非常相似。
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